Social computing is a part of computer science which deals with intersection of computational systems and social behavior. It helps to support the the social behavior through computational systems. Social computing is based on recreating and creating social contexts and social conventions by the use of technology and software. Presently Internet offers many facilities like email, blogs, social network services, social bookmarking, instant messaging, wikis, etc have been derived from the idea of social computing. Social Computing helps to have effective social interaction. It is designed in such a way so that a bunch of people can effectively interact with each other. The idea of social computing was popularized in book called The Wisdom of Crowds by James Surowiecki's. Some of the examples of social computing are prediction markets, collaborative filtering, online auctions, verification games, reputation systems, tagging and computational social choice.
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